View 4 Photos View 0 Videos 2021 RAM 4500 CHASSIS DEF Tank Newly Listed Contact for price (Used) 2021 RAM 4500 Chassis, DEF TANK- Side: Driver Left Side, Material: Plastic, Color: Black, Shape: Rectangular, Reference images for condition, For more information about this item,... ConditionUsedFits To Make(s)RAMFits To Model(s)4500 ChassisWill Fit Year(s)2021Stock NumberP-505931 MLS Number14430326CategoryDiesel Exhaust Fluid (DEF) Tanks Last Updated6/15/2026 LocationElkton, MD, US Sold ByCRG Heavy Truck Parts (844) 402-___ SHOWNUMBERCall Seller Email Seller Save More Info